Embraer S.A. is a Brazilian multinational aerospace corporation. It develops and manufactures aircraft and aviation systems, and provides leasing, equipment, and technical support services. Embraer is the third largest producer of civil aircraft worldwide after Boeing and Airbus. The company also has a significant presence in military aviation, ranking among the top 100 defense contractors. It is headquartered in São José dos Campos, São Paulo, Brazil, with offices and operations in China, the Netherlands, Portugal, Singapore, and the United States.